Uses of Calcium Carbonate
- Dietary supplement for when someone's calcium intake isn't enough.
- Antacid for upset stomach's, heartburn, and indigestion
- Limestone aggregate for road building
Properties of Calcium carbonate
- Chalky taste
- White hexagonal crystals
Calcium Carbonate makes up about 4% of the Earth's crust.
The world's oldest building, Khufu's Pyramid, is made of calcium carbonate.
Calcium Carbonate only exists on Earth, and possibly Mars.